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-rw-r--r--include/system/iommufd.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/system/iommufd.h b/include/system/iommufd.h
index 283861b924..2d24d93d17 100644
--- a/include/system/iommufd.h
+++ b/include/system/iommufd.h
@@ -43,6 +43,9 @@ void iommufd_backend_disconnect(IOMMUFDBackend *be);
 bool iommufd_backend_alloc_ioas(IOMMUFDBackend *be, uint32_t *ioas_id,
                                 Error **errp);
 void iommufd_backend_free_id(IOMMUFDBackend *be, uint32_t id);
+int iommufd_backend_map_file_dma(IOMMUFDBackend *be, uint32_t ioas_id,
+                                 hwaddr iova, ram_addr_t size, int fd,
+                                 unsigned long start, bool readonly);
 int iommufd_backend_map_dma(IOMMUFDBackend *be, uint32_t ioas_id, hwaddr iova,
                             ram_addr_t size, void *vaddr, bool readonly);
 int iommufd_backend_unmap_dma(IOMMUFDBackend *be, uint32_t ioas_id,